145349 has 2 divisors, whose sum is σ = 145350.
Its totient is φ = 145348.
The previous prime is 145307. The next prime is 145361. The reversal of 145349 is 943541.
It can be divided in two parts, 145 and 349, that multiplied together give a palindrome (50605).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 112225 + 33124 = 335^2 + 182^2
It is an emirp because it is prime and its reverse (943541) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 145349 - 216 = 79813 is a prime.
It is a super-2 number, since 2×1453492 = 42252663602, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145399) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72674 + 72675.
It is an arithmetic number, because the mean of its divisors is an integer number (72675).
2145349 is an apocalyptic number.
It is an amenable number.
145349 is a deficient number, since it is larger than the sum of its proper divisors (1).
145349 is an equidigital number, since it uses as much as digits as its factorization.
145349 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2160, while the sum is 26.
The square root of 145349 is about 381.2466393295.
The cubic root of 145349 is about 52.5779944287.
The spelling of 145349 in words is "one hundred forty-five thousand, three hundred forty-nine".